From: Michal Nazarewicz <mina86@mina86.com>
To: Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Andrew Morton <akpm@linux-foundation.org>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
Rik van Riel <riel@redhat.com>, Jiang Liu <jiang.liu@huawei.com>,
Mel Gorman <mgorman@suse.de>,
Cody P Schafer <cody@linux.vnet.ibm.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Michal Hocko <mhocko@suse.cz>, Minchan Kim <minchan@kernel.org>,
Andi Kleen <ak@linux.intel.com>,
Wei Yongjun <yongjun_wei@trendmicro.com.cn>,
Tang Chen <tangchen@cn.fujitsu.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Joonsoo Kim <js1304@gmail.com>
Subject: Re: [PATCH 6/7] mm/page_alloc: store freelist migratetype to the page on buddy properly
Date: Thu, 09 Jan 2014 10:19:44 +0100 [thread overview]
Message-ID: <xa1t8uupbjgv.fsf@mina86.com> (raw)
In-Reply-To: <1389251087-10224-7-git-send-email-iamjoonsoo.kim@lge.com>
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On Thu, Jan 09 2014, Joonsoo Kim wrote:
> To maintain freelist migratetype information on buddy pages, migratetype
> should be set again whenever the page order is changed. set_page_order()
> is the best place to do, because it is called whenever the page order is
> changed, so this patch adds set_buddy_migratetype() to set_page_order().
>
> And this patch makes set/get_buddy_migratetype() only enabled if it is
> really needed, because it has some overhead.
>
> Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
--
Best regards, _ _
.o. | Liege of Serenely Enlightened Majesty of o' \,=./ `o
..o | Computer Science, Michał “mina86” Nazarewicz (o o)
ooo +--<mpn@google.com>--<xmpp:mina86@jabber.org>--ooO--(_)--Ooo--
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WARNING: multiple messages have this Message-ID (diff)
From: Michal Nazarewicz <mina86@mina86.com>
To: Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Andrew Morton <akpm@linux-foundation.org>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
Rik van Riel <riel@redhat.com>, Jiang Liu <jiang.liu@huawei.com>,
Mel Gorman <mgorman@suse.de>,
Cody P Schafer <cody@linux.vnet.ibm.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Michal Hocko <mhocko@suse.cz>, Minchan Kim <minchan@kernel.org>,
Andi Kleen <ak@linux.intel.com>,
Wei Yongjun <yongjun_wei@trendmicro.com.cn>,
Tang Chen <tangchen@cn.fujitsu.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Joonsoo Kim <js1304@gmail.com>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>
Subject: Re: [PATCH 6/7] mm/page_alloc: store freelist migratetype to the page on buddy properly
Date: Thu, 09 Jan 2014 10:19:44 +0100 [thread overview]
Message-ID: <xa1t8uupbjgv.fsf@mina86.com> (raw)
In-Reply-To: <1389251087-10224-7-git-send-email-iamjoonsoo.kim@lge.com>
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On Thu, Jan 09 2014, Joonsoo Kim wrote:
> To maintain freelist migratetype information on buddy pages, migratetype
> should be set again whenever the page order is changed. set_page_order()
> is the best place to do, because it is called whenever the page order is
> changed, so this patch adds set_buddy_migratetype() to set_page_order().
>
> And this patch makes set/get_buddy_migratetype() only enabled if it is
> really needed, because it has some overhead.
>
> Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
--
Best regards, _ _
.o. | Liege of Serenely Enlightened Majesty of o' \,=./ `o
..o | Computer Science, Michał “mina86” Nazarewicz (o o)
ooo +--<mpn@google.com>--<xmpp:mina86@jabber.org>--ooO--(_)--Ooo--
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next prev parent reply other threads:[~2014-01-09 9:19 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-09 7:04 [PATCH 0/7] improve robustness on handling migratetype Joonsoo Kim
2014-01-09 7:04 ` Joonsoo Kim
2014-01-09 7:04 ` [PATCH 1/7] mm/page_alloc: synchronize get/set pageblock Joonsoo Kim
2014-01-09 7:04 ` Joonsoo Kim
2014-01-09 9:08 ` Michal Nazarewicz
2014-01-09 9:08 ` Michal Nazarewicz
2014-01-09 7:04 ` [PATCH 2/7] mm/cma: fix cma free page accounting Joonsoo Kim
2014-01-09 7:04 ` Joonsoo Kim
2014-01-09 21:10 ` Laura Abbott
2014-01-09 21:10 ` Laura Abbott
2014-01-10 8:50 ` Joonsoo Kim
2014-01-10 8:50 ` Joonsoo Kim
2014-01-09 7:04 ` [PATCH 3/7] mm/page_alloc: move set_freepage_migratetype() to better place Joonsoo Kim
2014-01-09 7:04 ` Joonsoo Kim
2014-01-09 7:04 ` [PATCH 4/7] mm/isolation: remove invalid check condition Joonsoo Kim
2014-01-09 7:04 ` Joonsoo Kim
2014-01-09 7:04 ` [PATCH 5/7] mm/page_alloc: separate interface to set/get migratetype of freepage Joonsoo Kim
2014-01-09 7:04 ` Joonsoo Kim
2014-01-09 9:18 ` Michal Nazarewicz
2014-01-09 9:18 ` Michal Nazarewicz
2014-01-09 7:04 ` [PATCH 6/7] mm/page_alloc: store freelist migratetype to the page on buddy properly Joonsoo Kim
2014-01-09 7:04 ` Joonsoo Kim
2014-01-09 9:19 ` Michal Nazarewicz [this message]
2014-01-09 9:19 ` Michal Nazarewicz
2014-01-09 7:04 ` [PATCH 7/7] mm/page_alloc: don't merge MIGRATE_(CMA|ISOLATE) pages on buddy Joonsoo Kim
2014-01-09 7:04 ` Joonsoo Kim
2014-01-09 9:22 ` Michal Nazarewicz
2014-01-09 9:22 ` Michal Nazarewicz
2014-01-09 9:06 ` [PATCH 0/7] improve robustness on handling migratetype Michal Nazarewicz
2014-01-09 9:06 ` Michal Nazarewicz
2014-01-09 14:05 ` Joonsoo Kim
2014-01-09 14:05 ` Joonsoo Kim
2014-01-09 9:27 ` Mel Gorman
2014-01-09 9:27 ` Mel Gorman
2014-01-10 8:48 ` Joonsoo Kim
2014-01-10 8:48 ` Joonsoo Kim
2014-01-10 9:48 ` Mel Gorman
2014-01-10 9:48 ` Mel Gorman
2014-01-13 1:57 ` Joonsoo Kim
2014-01-13 1:57 ` Joonsoo Kim
2014-01-29 16:52 ` Vlastimil Babka
2014-01-29 16:52 ` Vlastimil Babka
2014-01-31 15:39 ` Mel Gorman
2014-01-31 15:39 ` Mel Gorman
2014-02-03 7:45 ` Joonsoo Kim
2014-02-03 7:45 ` Joonsoo Kim
2014-02-03 9:16 ` Vlastimil Babka
2014-02-03 9:16 ` Vlastimil Babka
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